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General

  • Target

    f7c2d7fc794c43df9796b8adf8983de1c6f4c1182ff78a815cc620cd2b2c4018

  • Size

    820KB

  • Sample

    230321-qjnr2acd7w

  • MD5

    505fa0d5022e160fe078352061eba6de

  • SHA1

    f0f8f84965c3f5b01133557beae2132855c4d20e

  • SHA256

    f7c2d7fc794c43df9796b8adf8983de1c6f4c1182ff78a815cc620cd2b2c4018

  • SHA512

    778532e64b5e8122ae8890ad08c381575540b44ba567837964886a9679c5729b2659fd6889fdb139e4d59f848216dc696f8cf1496b88bf8573f34ca733c94de6

  • SSDEEP

    12288:cHnUVZ0RzSwUAZ2+oXIxGFMOBrDdDtqAd33RpJlLuItZW:M6kSKUgorhtZvfLW

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .dazx

  • offline_id

    8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-vbVkogQdu2 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0666JOsie

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199472266392

Extracted

Family

vidar

Version

��

C2

https://steamcommunity.com/profiles/76561199472266392

Targets

    • Target

      f7c2d7fc794c43df9796b8adf8983de1c6f4c1182ff78a815cc620cd2b2c4018

    • Size

      820KB

    • MD5

      505fa0d5022e160fe078352061eba6de

    • SHA1

      f0f8f84965c3f5b01133557beae2132855c4d20e

    • SHA256

      f7c2d7fc794c43df9796b8adf8983de1c6f4c1182ff78a815cc620cd2b2c4018

    • SHA512

      778532e64b5e8122ae8890ad08c381575540b44ba567837964886a9679c5729b2659fd6889fdb139e4d59f848216dc696f8cf1496b88bf8573f34ca733c94de6

    • SSDEEP

      12288:cHnUVZ0RzSwUAZ2+oXIxGFMOBrDdDtqAd33RpJlLuItZW:M6kSKUgorhtZvfLW

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks